Solar panel production figures

5.3 kWh today but I checked and as I thought, some of the nearby houses shade the panels later in the afternoon at this time of year.

Essentially I'm clipping generation potential, I think on a clear day in December/Jan it's a 7-8 kWh max potential or so because of this.

My numbers for September/October were better though, so I'm expecting some better generation to creep in as the sun gets a bit higher in the skies and the days lengthen.
 
Should anyone be interested I've pulled some stats now I have my first 1 mWh generated as well.

All benchmarked against no Solar pricing of same consumption. Some are harder to predict thanks to the battery and Go, without them Solar only might have used a bit more maybe.

Additionally no SEG calculations here, but the trade off is the Go helping to keep costs down a lot, so I'm kind of ignoring it for now.

Timeframe: 2022-08-30 - 2023-01-14
Days: 137

Headline Stats:
Home Consumption: 2222 kWh
Solar Generated: 1002 kWh
Solar Exported: 100 kWh
Electricity Imported: 1377 kWh

Costs:
Cost without Solar/Battery: 2222 kWh * £0.34 (cap price) = £755.48
Cost with Solar/Battery: £164.07
Total Saved: £591.41

Averages:
Consumption Per Day: 2222 kWh / 137 = 16.22 kWh
Generated Per Day: 1002 kWh / 137 = 7.31 kWh
Cost per imported kWh with Solar/Battery: £164.07 / 1377 kWh = £0.119
Cost per day: £164.07 / 137 = £1.19
Saving Per Day: £591.41 / 137 = £4.31

Savings:
Config: Nothing
Solar to Home: 0 kWh
Solar to Battery: 0 kWh
Grid Consumption: 2222 kWh
Grid Rate: £0.34
Grid Cost: 2222 kWh * £0.34 = £755.48
Total Savings: £0
Total Cost: £755.48

Config: Solar Only
Solar to Home: 555 kWh
Solar to Battery: 0 kWh
Grid Consumption: 2222 kWh - 555 kWh = 1667 kWh
Grid Rate: £0.34
Grid Cost: 1667 kWh * £0.34 = £566.78
Total Savings: £755.48 - £566.78 = £188.70
Total Cost: £566.78

Config: Solar + Battery
Solar to Home: 555 kWh
Solar to Battery: 347 kWh
Grid Consumption: 2222 kWh - 902 kWh = 1320 kWh
Grid Rate: £0.34
Grid Cost: 1320 kWh * £0.34 = £448.80
Total Savings: £755.48 - £448.80 = £306.68
Total Cost: £448.80

Config: Solar + Battery + Go
Solar to Home: 555 kWh
Solar to Battery: 347 kWh
Grid Consumption: 2222 kWh - 902 kWh = 1320 kWh
Grid Rate: £0.119
Grid Cost: 1320 kWh * £0.119 = £157.08
Total Savings: £755.48 - £157.08 = £598.40
Total Cost: £157.08
 
Last edited:
HungryHippos said:
Should anyone be interested..

Costs:
Cost without Solar/Battery: 2222 kWh * £0.34 (cap price) = £755.48
Cost with Solar/Battery: £164.07
Total Saved: £591.41
Click to expand...

Excellent mate. Even if the prices return near 2020 prices I think its still a good move overall and happy I have it now. The longer the energy stays north of 20p a unit the better the solar move will have been. Luckily I dont plan on moving ever now and if I get the chance over time will be only expanding (if it ofc makes sense).
 
gpuerrilla said:
Excellent mate. Even if the prices return near 2020 prices I think its still a good move overall and happy I have it now. The longer the energy stays north of 20p a unit the better the solar move will have been. Luckily I dont plan on moving ever now and if I get the chance over time will be only expanding (if it ofc makes sense).
Click to expand...

Yep, I'm not so selfish as to wish high prices on people, but it's hard to see below £0.20 for a while yet I think, do hope they sort of settle down though for most folk who don't have solar.
 
gpuerrilla said:
Best thing to hope for is some decent off-peak tariffs that compliment the solar owners. That and better export credit. One day it may get better on these fronts.
Click to expand...

Fingers crossed, I did read that Octopus may be doing a Givenergy tariff sometime but it's extremely unofficial as of now.

SEG is diabolical given wholesale pricing and the industry watchdogs should be enforcing minimum SEG pricing as well.
 
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